package main
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type UserModel struct {
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ID string `json:"id"`
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Age int `json:",string"`
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//age clusters: a<20 (0), 20<a<40 (1), 40<a<60 (2), 60<a (3)
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AgeCluster int
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Actions []string
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}
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type ItemModel struct {
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ID string
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TRecommended int
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TActed int
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TScored int //times acted from recommendation
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}
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var scores []float64
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var ranking []ItemModel
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